uva10934 Dropping water balloons
阿新 • • 發佈:2018-10-17
for class iostream ans () bsp code main else
#include<iostream> #include<cstring> using namespace std; const int maxk = 100; const int maxa = 63; unsigned long long d[maxk+1][maxa+1]; int main() { memset(d, 0, sizeof(d)); for(int i = 1; i <= maxk; i++) for(int j = 1; j <= maxa; j++) d[i][j] = d[i-1][j-1] + 1 + d[i][j-1]; int k; unsigned long long n; while(cin >> k >> n && k) { int ans = -1; for(int i = 1; i <= maxa; i++) if(d[k][i] >= n) { ans = i; break; } if(ans < 0) cout << "More than " << maxa << " trials needed.\n"; else cout << ans << "\n"; } return 0; }
uva10934 Dropping water balloons